Home / 763,185.84-1,053,198.56-419,044.06

Finding the Fourth Proportional to 763,185.84, 1,053,198.56 and 419,044.06

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Solution

The fourth proportional to 763,185.84, 1,053,198.56 and 419,044.06 is: 578,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,185.84 : 1,053,198.56 = 419,044.06 : x
  2. Step 2: Convert to fraction form
    763,185.84/1,053,198.56 = 419,044.06/x
  3. Step 3: Cross multiply
    763,185.84x = 1,053,198.56 × 419,044.06
  4. Step 4: Simplify right side
    763,185.84x = 441,336,600,568.55
  5. Step 5: Solve for x
    x = 441,336,600,568.55/763,185.84
  6. Step 6: Final answer
    x = 578,281.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.